HVAC Control Systems: Heaters

• Model Identification
• Description
• Operation
  • System Controls
    • All Models
      • Notes
      • Vent-Heater-Def Lever
      • Temperature Lever
      • Fan Switch
  • Ventilation System
• Adjustment
  • Notes
  • "G" Bodies
    • Temperature Cable
  • "B" Bodies
    • Shut-Off Door Cable
  • Caprice & Impale
    • Temperature Cable
• Trouble Shooting & Diagnosis
  • Overview
  • Electrical Trouble Shooting
    • Blower Motor Inoperative
  • Defroster Trouble Shooting
    • Insufficient Air Flow
  • Heater Trouble Shooting
• Component Replacement
  • Heater Core
    • "A", "G", "J", "J" & "X" Bodies
      • Replacement
    • "B" Bodies
      • Replacement
    • Camaro & Firebird
      • Replacement
  • Blower Motor
    • All Models
      • Replacement
  • Control Head
    • Chevette & T1000
      • Replacement
    • Camaro & Firebird
      • Replacement
    • "A", "B", "G" & "X" Bodies
      • Replacement
    • "J" Bodies
      • Replacement